3com Switch 4500 26-Port ユーザーズマニュアル
Switch 4500 PWR (26 Port)
93
Switch 4500 PWR (26 Port)
Physical Dimensions
Height: 44 mm (1.7 in.) x Width: 440 mm (17.3 in.) x Depth: 274 mm (10.8 in.)
Weight: 4.4kg (9.72 Ibs)
Environmental Requirements
Operating Temperature
0 ° to 40 °C (32 ° to 104 °F)
Storage Temperature
–10 ° to +70 °C (14 ° to 158 °F)
Operating Humidity
95% non-condensing
Standards
EN60068 to 3Com schedule (Package testing: paras 2.1, 2.2, 2.30, and 2.32.
Operational testing: paras 2.1, 2.2, 2.30 and 2.13).
Operational testing: paras 2.1, 2.2, 2.30 and 2.13).
Safety
Agency Certifications
UL60950, EN60950, CSA 22.2 No. 60950, IEC 60950
EMC
Emissions
CISPR 22 Class A, EN55022 Class A, FCC Part 15 Subpart B Class A,
ICES-003 Class A, VCCI Class A,
EN61000-3-2, EN61000-3-3
Immunity
EN 55024
Power Consumption
60 watts maximum (not including PoE load)
Heat Dissipation
205 BTU/hour maximum (not including PoE load)
Power Supply
AC
Line Frequency
50/60Hz
Input Voltage
100-240 VAC
Current Rating
7.0A (amps) maximum (at maximum PoE load)
DC
Input Voltage
-53 - -55 VDC
Current Rating
12A (amps) maximum (at maximum PoE load)
Characteristics
SELV (Safety Extra Low Voltage), isolated from earth according to requirements
of IEEE-Std 802.3af
of IEEE-Std 802.3af